1 2018-01-25 Ian Lance Taylor <iant@golang.org>
3 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
5 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
7 2018-01-25 Ian Lance Taylor <iant@golang.org>
9 * pecoff.c (coff_add): Only release syms_view if it is valid.
11 2018-01-25 Ian Lance Taylor <iant@golang.org>
13 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
15 2018-01-24 Ian Lance Taylor <iant@golang.org>
17 * pecoff.c (coff_add): Use coff_read4, not memcpy.
19 2018-01-24 Ian Lance Taylor <iant@golang.org>
22 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
25 2018-01-19 Tony Reix <tony.reix@atos.net>
27 * xcoff.c (xcoff_incl_compare): New function.
28 (xcoff_incl_search): New function.
29 (xcoff_process_linenos): Use bsearch to find include file.
30 (xcoff_initialize_fileline): Sort include file information.
32 2018-01-16 Ian Lance Taylor <iant@golang.org>
34 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
36 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
37 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
38 (elf_zlib_default_table): Update.
39 (elf_zlib_default_dist_table): New static array.
40 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
42 * ztest.c (struct zlib_test): Add uncompressed_len.
43 (tests): Initialize uncompressed_len field. Add new test case.
44 (test_samples): Use uncompressed_len field.
46 2018-01-03 Jakub Jelinek <jakub@redhat.com>
48 Update copyright years.
50 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
52 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
53 * aclocal.m4: Regenerate.
54 * Makefile.in: Likewise.
55 * configure: Likewise.
57 2017-10-06 Ian Lance Taylor <iant@golang.org>
59 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
60 zlib uncompress function.
62 2017-10-05 Ian Lance Taylor <iant@golang.org>
64 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
65 Read a four byte integer.
66 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
67 boundary before ever calling elf_zlib_fetch.
68 * ztest.c (test_large): Simplify print statements a bit.
70 2017-10-02 Ian Lance Taylor <iant@golang.org>
72 * ztest.c: #include <errno.h>.
73 (TEST_TIMING): Don't define, don't test.
74 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
75 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
76 (ZLIB_CLOCK_GETTIME_ARG): Define.
77 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
78 * Makefile.am: Likewise.
79 * configure, Makefile.in: Rebuild.
81 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
84 * Makefile.am: Append the content of clock_gettime_link to
86 * configure.ac: Test for the case that clock_gettime is in librt.
87 * Makefile.in: Regenerate.
88 * configure: Likewise.
91 * configure.ac: Check for clock_gettime.
92 * config.h.in: Regenerate.
93 * configure: Likewise.
94 * ztest.c (average_time, test_large): Conditionalize test timing
95 on clock_gettime availability.
97 2017-09-29 Tony Reix <tony.reix@atos.net>
99 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
100 (STYP_DWARF, SSUBTYP_DW*): Define.
101 (enum dwarf_section): Define.
102 (struct dwsect_info): Define.
103 (xcoff_add): Look for DWARF sections, pass them to
106 2017-09-28 Ian Lance Taylor <iant@golang.org>
109 * elf.c (__builtin_prefetch): Define if not __GNUC__.
111 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
112 (b_elf_chdr): Define type.
113 (enum debug_section): Add ZDEBUG_xxx values.
114 (debug_section_names): Add names for new sections.
115 (struct debug_section_info): Add compressed field.
116 (elf_zlib_failed, elf_zlib_fetch): New static functions.
117 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
118 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
119 (HUFFMAN_SECONDARY_SHIFT): Define.
120 (ZDEBUG_TABLE_SIZE): Define.
121 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
122 (final_next_secondary): New static variable if
123 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
124 (elf_zlib_inflate_table): New static function.
125 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
126 function to produce fixed Huffman table.
127 (elf_zlib_default_table): New static variable.
128 (elf_zlib_inflate): New static function.
129 (elf_zlib_verify_checksum): Likewise.
130 (elf_zlib_inflate_and_verify): Likewise.
131 (elf_uncompress_zdebug): Likewise.
132 (elf_uncompress_chdr): Likewise.
133 (backtrace_uncompress_zdebug): New extern function.
134 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
135 sections, and uncompress them.
136 * internal.h (backtrace_compress_zdebug): Declare.
138 * configure.ac: Check for -lz and check whether the linker
139 supports --compress-debug-sections.
140 * Makefile.am (ztest_SOURCES): New variable.
141 (ztest_CFLAGS, ztest_LDADD): New variables.
142 (check_PROGRAMS): Add ztest.
143 (ctestg_SOURCES): New variable.
144 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
145 (ctesta_SOURCES): New variable.
146 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
147 (check_PROGRAMS): Add ctestg and ctesta.
148 * configure, config.h.in, Makefile.in: Rebuild.
150 2017-09-22 Ian Lance Taylor <iant@golang.org>
153 * configure.ac: Check for lstat and readlink.
154 * elf.c (lstat, readlink): Provide dummy versions if real versions
156 * configure, config.h.in: Rebuild.
158 2017-09-21 Ian Lance Taylor <iant@google.com>
161 * elf.c (backtrace_initialize): Set pd.exe_filename.
163 2017-09-20 Ian Lance Taylor <iant@golang.org>
164 Denis Khalikov <d.khalikov@partner.samsung.com>
167 Support for external debug info.
168 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
169 (S_ISLNK): Define if not defined.
170 (xstrnlen): Define if strnlen is not available.
171 (b_elf_note): Define type.
172 (NT_GNU_BUILD_ID): Define macro.
173 (elf_crc32, elf_crc32_file): New static functions.
174 (elf_is_symlink, elf_readlink): New static functions.
175 (elf_open_debugfile_by_buildid): New static function.
176 (elf_try_debugfile): New static function.
177 (elf_find_debugfile_by_debuglink): New static function.
178 (elf_open_debugfile_by_debuglink): New static function.
179 (elf_add): Add filename and debuginfo parameters. Adjust all
180 callers. Look for external debug info notes, and try to fetch
181 debug info from external file.
182 (struct phdr_data): Add exe_filename field.
183 (phdr_callback): Pass filename to elf_add.
184 (backtrace_initialize): Add filename parameter.
185 * internal.h (backtrace_initialize): Add filename parameter.
186 * fileline.c (fileline_initialize): Pass filename to
187 backtrace_initialize.
188 * pecoff.c (fileline_initialize): Add unused filename parameter.
189 * unknown.c (fileline_initialize): Likewise.
190 * xcoff.c (fileline_initialize): Likewise.
191 * configure.ac: Check for objcopy --add-gnu-debuglink.
192 * Makefile.am (dtest): New test target.
193 * configure, Makefile.in: Rebuild.
195 2017-09-12 Steve Ellcey <sellcey@cavium.com>
198 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
199 * Makefile.in: Regenerate.
201 2017-09-12 Steve Ellcey <sellcey@cavium.com>
204 * libbacktrace/Makefile.in
205 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
207 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
210 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
212 2017-07-28 Tony Reix <tony.reix@atos.net>
214 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
216 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
218 * fileline.c (fileline_initialize): Print pid_t as long.
220 2017-07-26 Tony Reix <tony.reix@atos.net>
222 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
223 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
224 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
225 * configure, config.h.in: Regenerate.
227 2017-07-21 Tony Reix <tony.reix@atos.net>
229 * filetype.awk: Add AIX XCOFF type detection.
230 * configure.ac: Recognize xcoff format.
231 * Makefile.am (FORMAT_FILES): Add xcoff.c.
232 * fileline.c: Include <unistd.h>.
233 (fileline_initialize): Add case for AIX procfs.
235 * configure, Makefile.in: Rebuild.
237 2017-06-21 Richard Biener <rguenther@suse.de>
239 * configure.ac: Add AC_SYS_LARGEFILE.
240 * config.h.in: Regenerate.
241 * configure: Likewise.
243 2017-06-11 Ian Lance Taylor <iant@golang.org>
245 * elf.c (backtrace_initialize): Always set *fileline_fn.
247 * btest.c: Move support functions into testlib.c. Change calls to
248 check to pass file name.
249 * testlib.c: New file, copied from (part of) btest.c.
250 * testlib.h: New file, declarations for testlib.c.
251 * edtest.c: Use testlib.h and testlib.c.
252 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
253 * Makefile.am (btest_SOURCES): Add testlib.c.
254 (edtest_SOURCES): Likewise.
255 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
256 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
257 * configure, Makefile.in: Rebuild.
259 2017-05-19 Than McIntosh <thanm@google.com>
261 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
262 (read_line_header): Don't allocate dirs if dirs_count == 0.
263 * edtest.c: New file.
264 * edtest2.c: New file.
265 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
266 (check_PROGRAMS): Add edtest.
267 (edtest2_build.c, gen_edtest2_build): New targets.
268 * Makefile.in: Rebuild.
270 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
272 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
273 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
275 2017-01-01 Jakub Jelinek <jakub@redhat.com>
277 Update copyright years.
279 2016-11-15 Matthias Klose <doko@ubuntu.com>
281 * configure: Regenerate.
283 2016-09-11 Carlos Liam <carlos@aarzee.me>
285 * all: Remove meaningless trailing whitespace.
287 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
290 * elf.c (phdr_callback) [__i386__]: Add
291 __attribute__((__force_align_arg_pointer__)).
293 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
295 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
296 avoid possible crash.
297 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
298 missing debug info anymore.
300 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
302 * mmap.c (MAP_FAILED): Define if not defined.
304 2016-01-04 Jakub Jelinek <jakub@redhat.com>
306 Update copyright years.
308 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
310 * configure.ac: Specify that DJGPP do not have mmap
311 even when sys/mman.h exists.
312 * configure: Regenerate
314 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
317 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
318 * configure: Regenerate.
319 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
322 2015-09-17 Ian Lance Taylor <iant@google.com>
324 * posix.c (backtrace_open): Cast second argument of open() to int.
326 2015-09-11 Ian Lance Taylor <iant@google.com>
328 * Makefile.am (backtrace.lo): Depend on internal.h.
329 (sort.lo, stest.lo): Add explicit dependencies.
330 * Makefile.in: Rebuild.
332 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
334 * backtrace.c: #include <sys/types.h>.
336 2015-09-08 Ian Lance Taylor <iant@google.com>
339 * backtrace.c: #include "internal.h".
340 (struct backtrace_data): Add can_alloc field.
341 (unwind): If can_alloc is false, don't try to get file/line
343 (backtrace_full): Set can_alloc field in bdata.
344 * alloc.c (backtrace_alloc): Don't call error_callback if it is
346 * mmap.c (backtrace_alloc): Likewise.
347 * internal.h: Update comments for backtrace_alloc and
350 2015-09-08 Ian Lance Taylor <iant@google.com>
353 * mmap.c (backtrace_alloc): Correct test for mmap failure.
355 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
357 * configure.ac: For spu-*-* targets, set have_fcntl to no.
358 * configure: Regenerate.
360 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
362 * configure.ac: Remove [disable-shared] argument to LT_INIT.
363 Remove setting PIC_FLAG when building as target library.
364 * configure: Regenerate.
366 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
368 * configure.ac: Only compile with -fPIC if the target
370 * configure: Regenerate.
372 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
374 * configure.ac: Set have_mmap to no on spu-*-* targets.
375 * configure: Regenerate.
377 2015-08-13 Ian Lance Taylor <iant@google.com>
379 * dwarf.c (read_function_entry): Add vec_inlined parameter.
382 2015-06-11 Martin Sebor <msebor@redhat.com>
385 * dwarf.c (struct line): Add new field idx.
386 (line_compare): Use it.
388 (read_line_info): Reset it.
390 2015-05-29 Tristan Gingold <gingold@adacore.com>
392 * pecoff.c: New file.
393 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
394 * Makefile.in: Regenerate.
395 * filetype.awk: Detect pecoff.
396 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
398 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
400 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
401 * configure: Regenerate.
402 * pecoff.c: New file.
404 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
406 * Makefile.in: Regenerated with automake-1.11.6.
407 * aclocal.m4: Likewise.
408 * configure: Likewise.
410 2015-01-24 Matthias Klose <doko@ubuntu.com>
412 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
413 * configure: Regenerate.
415 2015-01-05 Jakub Jelinek <jakub@redhat.com>
417 Update copyright years.
419 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
422 * configure: Regenerated.
424 2014-11-11 David Malcolm <dmalcolm@redhat.com>
426 * ChangeLog.jit: New.
428 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
431 * configure: Regenerate.
433 2014-10-23 Ian Lance Taylor <iant@google.com>
435 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
436 Fix to return void *.
438 2014-05-08 Ian Lance Taylor <iant@google.com>
440 * mmap.c (backtrace_free): If freeing a large aligned block of
441 memory, call munmap rather than holding onto it.
442 (backtrace_vector_grow): When growing a vector, double the number
443 of pages requested. When releasing the old version of a grown
444 vector, pass the correct size to backtrace_free.
446 2014-03-07 Ian Lance Taylor <iant@google.com>
448 * sort.c (backtrace_qsort): Use middle element as pivot.
450 2014-03-06 Ian Lance Taylor <iant@google.com>
454 * internal.h (backtrace_qsort): Declare.
455 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
456 (read_line_info, read_function_entry): Likewise.
457 (read_function_info, build_dwarf_data): Likewise.
458 * elf.c (elf_initialize_syminfo): Likewise.
459 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
460 (stest_SOURCES, stest_LDADD): Define.
461 (check_PROGRAMS): Add stest.
463 2014-02-07 Misty De Meo <misty@brew.sh>
466 * configure.ac: Use AC_LINK_IFELSE in check for
468 * configure: Regenerate.
470 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
472 Update copyright years
474 2013-12-06 Jakub Jelinek <jakub@redhat.com>
476 * elf.c (ET_DYN): Undefine and define again.
477 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
478 return early -1 without closing the descriptor.
479 (struct phdr_data): Add exe_descriptor.
480 (phdr_callback): If pd->exe_descriptor is not -1, for very first
481 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
482 otherwise backtrace_close the exe_descriptor if not -1. Adjust
484 (backtrace_initialize): Adjust call to elf_add. If it returns
485 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
487 2013-12-05 Ian Lance Taylor <iant@google.com>
489 * alloc.c (backtrace_vector_finish): Add error_callback and data
490 parameters. Call backtrace_vector_release. Return address base.
491 * mmap.c (backtrace_vector_finish): Add error_callback and data
492 parameters. Return address base.
493 * dwarf.c (read_function_info): Get new address base from
494 backtrace_vector_finish.
495 * internal.h (backtrace_vector_finish): Update declaration.
497 2013-11-27 Ian Lance Taylor <iant@google.com>
499 * dwarf.c (find_address_ranges): New static function, broken out
500 of build_address_map.
501 (build_address_map): Call it.
502 * btest.c (check): Check for missing filename or function, rather
504 (f3): Check that enough frames were returned.
506 2013-11-19 Jakub Jelinek <jakub@redhat.com>
508 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
509 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
511 * btest.c (struct symdata): Add size field.
512 (callback_three): Add symsize argument. Copy it to the data->size
514 (f23): Set symdata.size to 0.
515 (test5): Likewise. If sizeof (int) > 1, lookup address of
516 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
519 * atomic.c: Include sys/types.h.
521 2013-11-18 Ian Lance Taylor <iant@google.com>
523 * configure.ac: Check for support of __atomic extensions.
524 * internal.h: Declare or #define atomic functions for use in
526 * atomic.c: New file.
527 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
528 (dwarf_fileline, backtrace_dwarf_add): Likewise.
529 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
530 (backtrace_initialize): Likewise.
531 * fileline.c (fileline_initialize): Likewise.
532 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
533 * configure, config.h.in, Makefile.in: Rebuild.
535 2013-11-18 Jakub Jelinek <jakub@redhat.com>
537 * elf.c (SHN_UNDEF): Define.
538 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
539 with st_shndx == SHN_UNDEF. Add base_address to address fields.
540 (elf_add): Adjust caller.
542 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
544 2013-11-16 Ian Lance Taylor <iant@google.com>
546 * backtrace.h (backtrace_create_state): Correct comment about
549 2013-11-15 Ian Lance Taylor <iant@google.com>
551 * backtrace.h (backtrace_syminfo): Update comment and parameter
552 name to take any address, not just a PC value.
553 * elf.c (STT_OBJECT): Define.
554 (elf_nosyms): Rename parameter pc to addr.
555 (elf_symbol_search): Rename local variable pc to addr.
556 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
557 (elf_syminfo): Rename parameter pc to addr.
558 * btest.c (global): New global variable.
562 2013-10-17 Ian Lance Taylor <iant@google.com>
564 * elf.c (elf_add): Don't get the wrong offsets if a debug section
567 2013-10-15 David Malcolm <dmalcolm@redhat.com>
569 * configure.ac: Add --enable-host-shared, setting up
570 pre-existing PIC_FLAG variable within Makefile.am et al.
571 * configure: Regenerate.
573 2013-09-20 Alan Modra <amodra@gmail.com>
575 * configure: Regenerate.
577 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
579 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
581 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
583 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
584 dl_iterate_phdr callbacks.
586 2013-03-25 Ian Lance Taylor <iant@google.com>
588 * alloc.c: #include <sys/types.h>.
591 2013-01-31 Ian Lance Taylor <iant@google.com>
593 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
594 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
596 2013-01-25 Jakub Jelinek <jakub@redhat.com>
599 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
600 attribute was not seen.
602 2013-01-16 Ian Lance Taylor <iant@google.com>
604 * dwarf.c (struct unit): Add filename and abs_filename fields.
605 (build_address_map): Set new fields when reading unit.
606 (dwarf_lookup_pc): If we don't find an entry in the line table,
607 just return the main file name.
609 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
611 Update copyright years.
613 2013-01-01 Ian Lance Taylor <iant@google.com>
616 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
617 $(MULTIBUILDTOP)/../../gcc/include.
618 * Makefile.in: Rebuild.
620 2013-01-01 Ian Lance Taylor <iant@google.com>
623 * mmap.c (backtrace_alloc): Don't call sync functions if not
625 (backtrace_free): Likewise.
627 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
629 * mmapio.c: Define MAP_FAILED if not defined.
631 2012-12-11 Jakub Jelinek <jakub@redhat.com>
634 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
635 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
636 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
638 * Makefile.in: Regenerated.
639 * configure: Regenerated.
641 2012-12-07 Jakub Jelinek <jakub@redhat.com>
644 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
645 * Makefile.in: Regenerated.
647 2012-11-20 Ian Lance Taylor <iant@google.com>
649 * dwarf.c (read_attribute): Always clear val.
651 2012-11-13 Ian Lance Taylor <iant@google.com>
654 * configure.ac: Only add -Werror if building a target library.
655 * configure: Rebuild.
657 2012-11-12 Ian Lance Taylor <iant@google.com>
658 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
659 Gerald Pfeifer <gerald@pfeifer.com>
661 * configure.ac: Check for getexecname.
662 * fileline.c: #include <errno.h>. Define getexecname if not
664 (fileline_initialize): Try to find the executable in a few
666 * print.c (error_callback): Only print the filename if it came
667 from the backtrace state.
668 * configure, config.h.in: Rebuild.
670 2012-10-29 Ian Lance Taylor <iant@google.com>
672 * mmap.c (backtrace_vector_release): Correct last patch: add
675 2012-10-29 Ian Lance Taylor <iant@google.com>
677 * mmap.c (backtrace_vector_release): Make sure freed block is
678 aligned on 8-byte boundary.
680 2012-10-26 Ian Lance Taylor <iant@google.com>
683 * posix.c (backtrace_open): Add does_not_exist parameter.
684 * elf.c (phdr_callback): Do not warn if shared library could not
686 * fileline.c (fileline_initialize): Update calls to
688 * internal.h (backtrace_open): Update declaration.
690 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
693 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
694 * configure: Regenerate.
696 2012-10-24 Ian Lance Taylor <iant@google.com>
699 * configure.ac: Check whether -funwind-tables option works.
700 * configure: Rebuild.
702 2012-10-11 Ian Lance Taylor <iant@google.com>
704 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
705 * configure: Rebuild.
707 2012-10-10 Ian Lance Taylor <iant@google.com>
709 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
712 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
714 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
716 2012-10-09 Ian Lance Taylor <iant@google.com>
718 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
719 (backtrace_dwarf_add): Likewise.
721 2012-10-09 Ian Lance Taylor <iant@google.com>
723 Add support for tracing through shared libraries.
724 * configure.ac: Check for link.h and dl_iterate_phdr.
725 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
726 ELF macros before #defining them.
727 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
729 (struct elf_syminfo_data): Add next field.
730 (elf_initialize_syminfo): Initialize next field.
731 (elf_add_syminfo_data): New static function.
732 (elf_add): New static function, broken out of
733 backtrace_initialize. Call backtrace_dwarf_add instead of
734 backtrace_dwarf_initialize.
735 (struct phdr_data): Define.
736 (phdr_callback): New static function.
737 (backtrace_initialize): Call elf_add.
738 * dwarf.c (struct dwarf_data): Add next and base_address fields.
739 (add_unit_addr): Add base_address parameter. Change all callers.
740 (add_unit_ranges, build_address_map): Likewise.
741 (add_line): Add ddata parameter. Change all callers.
742 (read_line_program, add_function_range): Likewise.
743 (dwarf_lookup_pc): New static function, broken out of
745 (dwarf_fileline): Call dwarf_lookup_pc.
746 (build_dwarf_data): New static function.
747 (backtrace_dwarf_add): New function.
748 (backtrace_dwarf_initialize): Remove.
749 * internal.h (backtrace_dwarf_initialize): Don't declare.
750 (backtrace_dwarf_add): Declare.
751 * configure, config.h.in: Rebuild.
753 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
755 * btest.c (f23): Avoid uninitialized variable warning.
757 2012-10-04 Ian Lance Taylor <iant@google.com>
759 * dwarf.c: If the system header files do not declare strnlen,
760 provide our own version.
762 2012-10-03 Ian Lance Taylor <iant@google.com>
764 * dwarf.c (read_uleb128): Fix overflow test.
765 (read_sleb128): Likewise.
766 (build_address_map): Don't change unit_buf.start.
768 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
771 * configure.ac (EXTRA_FLAGS): New.
772 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
773 * configure, Makefile.in: Regenerate.
775 2012-09-29 Ian Lance Taylor <iant@google.com>
778 * fileline.c (fileline_initialize): Pass errnum as -1 when
779 reporting that we could not read executable information after a
782 2012-09-27 Ian Lance Taylor <iant@google.com>
785 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
786 * Makefile.am: Add dependencies for all objects.
787 * configure, aclocal.m4, Makefile.in: Rebuild.
789 2012-09-27 Ian Lance Taylor <iant@google.com>
792 * elf.c (backtrace_initialize): Set *fileln_fn, not
795 2012-09-19 Ian Lance Taylor <iant@google.com>
797 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
799 * configure: Rebuild.
801 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
802 Ian Lance Taylor <iant@google.com>
804 * configure.ac (GCC_HEADER_STDINT): Invoke.
805 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
806 * btest.c: Don't include <stdint.h>.
808 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
810 2012-09-18 Ian Lance Taylor <iant@google.com>
813 * Makefile.am (AM_CPPFLAGS): Define.
814 (AM_CFLAGS): Remove -I options.
815 * Makefile.in: Rebuild.
817 2012-09-18 Ian Lance Taylor <iant@google.com>
819 * posix.c (O_BINARY): Define if not defined.
820 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
821 HAVE_FCNTL is defined.
822 * configure.ac: Test for the fcntl function.
823 * configure, config.h.in: Rebuild.
825 2012-09-18 Ian Lance Taylor <iant@google.com>
827 * btest.c (test1, test2, test3, test4): Add the unused attribute.
829 2012-09-18 Ian Lance Taylor <iant@google.com>
831 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
833 2012-09-18 Ian Lance Taylor <iant@google.com>
835 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
836 * mmapio.c: Don't define _GNU_SOURCE.
837 * configure, config.h.in: Rebuild.
839 2012-09-18 Ian Lance Taylor <iant@google.com>
841 * configure.ac: Check whether strnlen is declared.
842 * dwarf.c: Declare strnlen if not declared.
843 * configure, config.h.in: Rebuild.
845 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
847 * fileline.c: Include <stdlib.h>.
850 2012-09-17 Ian Lance Taylor <iant@google.com>
853 * nounwind.c (backtrace_full): Rename from backtrace. Add state
856 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
859 * nounwind.c (backtrace_simple): Add state parameter.
861 2012-09-17 Ian Lance Taylor <iant@google.com>
864 * unknown.c (unknown_fileline): Add state parameter, remove
865 fileline_data parameter, name error_callback parameter.
866 (backtrace_initialize): Add state parameter.
868 2012-09-17 Ian Lance Taylor <iant@google.com>
870 * Initial implementation.
872 Copyright (C) 2012-2018 Free Software Foundation, Inc.
874 Copying and distribution of this file, with or without modification,
875 are permitted in any medium without royalty provided the copyright
876 notice and this notice are preserved.